@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@400;600&family=Inter:wght@400;600&display=swap");

:root {
    --bg: #F4F1EA;
    --bg-accent: #E8EFEA;
    --card: #FFFFFF;
    --text: #1E2422;
    --muted: #5C6A64;
    --accent: #2F6F62;
    --accent-dark: #24574D;
    --accent-warm: #C9934A;
    --border: #E3DED3;
    --shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Inter", "Segoe UI", -apple-system, system-ui, sans-serif;
    background: radial-gradient(1200px 600px at 10% -10%, #F9F3E6 0%, var(--bg) 45%, #EEF3F1 100%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 820px;
    background: var(--card);
    border-radius: 18px;
    padding: 44px 48px 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    animation: fadeUp 0.7s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-switcher {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 18px;
}

.lang-switcher button {
    border: 1px solid var(--border);
    background: #F8F6F0;
    color: var(--muted);
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-switcher button.active {
    background: var(--accent);
    color: #FFFFFF;
    border-color: var(--accent);
}

.lang-content {
    display: none;
}

.lang-content.active {
    display: block;
}

header {
    text-align: center;
}

.app-icon {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    margin: 0 auto 18px;
    overflow: hidden;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

h1 {
    font-family: "Fraunces", "Times New Roman", serif;
    font-size: 2.2rem;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.tagline {
    color: var(--muted);
    font-size: 1.05rem;
    margin-bottom: 22px;
}

.hero {
    margin: 24px auto 30px;
    max-width: 420px;
    border-radius: 22px;
    overflow: hidden;
    background: #1C1C1C;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.15);
}

.hero img {
    width: 100%;
    display: block;
}

.section {
    margin: 26px 0;
}

.section-title {
    font-size: 1.05rem;
    color: var(--accent-dark);
    letter-spacing: 0.02em;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.features {
    background: #FBF9F4;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px;
}

.features ul {
    list-style: none;
}

.features li {
    padding: 8px 0;
    display: flex;
    gap: 10px;
    color: var(--text);
}

.features li::before {
    content: "●";
    color: var(--accent-warm);
    font-size: 0.9rem;
    margin-top: 2px;
}

.download-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    background: #F7F5EE;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
}

.badge.muted {
    background: #DAD5C8;
    color: #4B4A46;
    font-weight: 500;
}

.links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    border-top: 1px solid var(--border);
    padding-top: 18px;
    margin-top: 22px;
}

.links a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.95rem;
}

.links a:hover {
    color: var(--accent-dark);
}

.contact {
    margin-top: 14px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}

.contact a {
    color: var(--accent);
}

.card {
    background: #FBF9F4;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px;
    margin-bottom: 18px;
}

.faq {
    display: grid;
    gap: 14px;
}

.faq-item {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px;
}

.faq-item h3 {
    font-size: 1rem;
    color: var(--accent-dark);
    margin-bottom: 6px;
}

.notice {
    background: #E9F3EF;
    border-left: 4px solid var(--accent);
    padding: 14px 16px;
    border-radius: 10px;
}

.back-link {
    margin-bottom: 16px;
}

.back-link a {
    color: var(--accent);
    text-decoration: none;
}

.back-link a:hover {
    color: var(--accent-dark);
}

@media (max-width: 720px) {
    body {
        padding: 18px;
    }

    .container {
        padding: 32px 24px;
    }

    h1 {
        font-size: 1.9rem;
    }

    .hero {
        max-width: 320px;
    }

    .download-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}